For their Polish peers, the textbook delves into the messy truths of occupation: while there was no collaboration with Nazi Germany at the state level in Poland, some Poles did collaborate with the occupiers. Recommended: How much do you know about Germany? In a new law signed this week by President Andrzej Duda, it is now a crime, punishable up to three years, to falsely attribute crimes of Nazi Germany to the Polish nation and state. read more